/* Dani90 — landing page. Same visual language as the app: dark header,
   off-white page, white cards, blue accent, yellow highlight, IBM Plex. */

:root {
  --ink: #16202B;
  --page: #EEF0EC;
  --card: #FFFFFF;
  --line: #DDE1DC;
  --accent: #1D3F91;
  --accent-dark: #162F70;
  --yellow: #F2B33D;
  --text: #16202B;
  --muted: #5B6670;

  --urgent: #7A1408;
  --red: #C2381F;
  --orange: #D88B12;
  --green: #2E8A55;

  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 10px;
  --wrap: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background: var(--page);
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
code { font-family: var(--mono); font-size: 0.88em; background: #E3E6E0; padding: 0.1em 0.35em; border-radius: 4px; }

:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.small { font-size: 0.85rem; }
.muted { color: var(--muted); }

/* Placeholders that must be filled in before publishing are impossible to miss. */
.todo { background: #FFE58A; color: #5A4210; padding: 0 0.35em; border-radius: 3px; font-weight: 600; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; }

/* --- buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font: 600 0.95rem/1.2 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-lg { padding: 0.85rem 1.4rem; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-yellow { background: var(--yellow); color: var(--ink); }
.btn-yellow:hover { background: #E3A22B; color: var(--ink); }
.btn-ghost { background: transparent; color: var(--accent); border-color: #B9C3D8; }
.btn-ghost:hover { background: #fff; }

/* --- header --- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink);
  color: #fff;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 1rem; }

.logo { display: inline-flex; align-items: center; gap: 0.55rem; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.2rem; }
.logo:hover { color: #fff; }
.logo-mark {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px;
  background: var(--yellow); color: var(--ink);
  border-radius: 8px;
  font: 700 0.95rem/1 var(--mono);
}

.site-nav { display: flex; align-items: center; gap: 1.4rem; }
.site-nav a { color: #DCE2E8; text-decoration: none; font-size: 0.95rem; }
.site-nav a:hover { color: #fff; }
.site-nav .nav-login { color: var(--yellow); font-weight: 600; }
.site-nav .nav-cta { color: var(--ink); }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-grid; place-items: center;
    width: 44px; height: 44px;
    background: transparent; border: 1px solid #3A4756; border-radius: 8px; cursor: pointer;
  }
  .nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
    content: ""; display: block; width: 20px; height: 2px; background: #fff; position: relative;
  }
  .nav-toggle-bar::before { position: absolute; top: -6px; }
  .nav-toggle-bar::after { position: absolute; top: 6px; }

  .site-nav {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink);
    border-top: 1px solid #2A3644;
    padding: 0.5rem 20px 1rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 0.8rem 0; border-bottom: 1px solid #22303E; }
  .site-nav .nav-cta { margin-top: 0.8rem; border-bottom: none; }
}

/* --- hero --- */
.hero { padding: 56px 0 40px; }
.hero-inner { display: grid; grid-template-columns: 1fr; gap: 40px; }
.eyebrow {
  display: inline-block;
  font: 600 0.82rem/1 var(--mono);
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--accent);
  background: #fff; border: 1px solid var(--line);
  padding: 0.45rem 0.7rem; border-radius: 999px;
  margin: 0 0 1.2rem;
}
.lead { font-size: 1.15rem; color: #2E3A46; max-width: 38em; margin: 0 0 1.6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.4rem; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; color: var(--muted); font-size: 0.92rem; }
.hero-points li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 0.4rem; }

.hero-shot { margin: 0; }
.hero-shot figcaption { font-size: 0.82rem; color: var(--muted); margin-top: 0.6rem; text-align: center; }

.browser {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 50px -18px rgba(22, 32, 43, 0.35);
}
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: #F5F6F3; border-bottom: 1px solid var(--line); }
.browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: #D3D7D1; }
.browser-bar em { font: 400 0.75rem/1 var(--mono); color: var(--muted); font-style: normal; margin-left: 10px; }

@media (min-width: 1000px) {
  .hero { padding: 72px 0 56px; }
  .hero-inner { grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 48px; }
}

/* --- sections --- */
.section { padding: 64px 0; }
.section.alt { background: #E5E8E2; }
.section.dark { background: var(--ink); color: #E6EAEE; }
.section.dark h2 { color: #fff; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.2rem;
}
.card p { margin: 0; color: #3A4652; }
.cards-3 { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }

.why .card { border-top: 4px solid var(--yellow); }

/* steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: 1fr; counter-reset: none; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; }
.step p { margin: 0; color: #3A4652; }
.step-num {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; margin-bottom: 0.9rem;
  border-radius: 50%;
  background: var(--accent); color: #fff;
  font: 700 1rem/1 var(--mono);
}

/* features */
.features { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(4, 1fr); } }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; }
.feature h3 { font-size: 1.02rem; }
.feature p { margin: 0 0 0.6rem; color: #3A4652; font-size: 0.95rem; }
.feature p:last-child { margin-bottom: 0; }
.legend { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.pill { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; color: #fff; font: 600 0.78rem/1.5 var(--mono); }
.pill-red { background: var(--red); }
.pill-orange { background: var(--orange); }
.pill-green { background: var(--green); }

/* split layout */
.split { display: grid; gap: 36px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: 0.85fr 1.15fr; gap: 56px; } }
.split-shot { margin: 0; }
.split-copy p { color: inherit; }
.checks { list-style: none; padding: 0; margin: 1rem 0 0; }
.checks li { position: relative; padding-left: 1.7rem; margin-bottom: 0.6rem; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 700; }
.dark .checks li::before { color: var(--yellow); }

/* Telegram phone mock */
.phone {
  justify-self: center;
  width: min(340px, 100%);
  background: #0E1621;
  border: 10px solid #000;
  border-radius: 34px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
  font-size: 0.9rem;
}
.phone-top { display: flex; align-items: baseline; gap: 0.5rem; padding: 0.9rem 1rem; background: #17212B; color: #fff; }
.phone-top span { color: #7F91A4; font-size: 0.78rem; }
.chat { display: flex; flex-direction: column; gap: 0.5rem; padding: 1rem 0.8rem; min-height: 290px; }
.msg { margin: 0; padding: 0.55rem 0.75rem; border-radius: 12px; max-width: 86%; line-height: 1.4; }
.msg-me { align-self: flex-end; background: #2B5278; color: #fff; border-bottom-right-radius: 4px; }
.msg-bot { align-self: flex-start; background: #182533; color: #E6EAEE; border-bottom-left-radius: 4px; }
.msg-bot b { color: var(--yellow); }
.msg.mono { font-family: var(--mono); font-size: 0.8rem; }
.inline-btn { display: block; margin-top: 0.5rem; text-align: center; padding: 0.35rem; border-radius: 8px; background: #22344A; color: #8CC4FF; font-size: 0.82rem; }
.keyboard { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 8px; background: #17212B; }
.keyboard span { text-align: center; padding: 0.6rem 0.3rem; border-radius: 8px; background: #22303E; color: #fff; font-size: 0.82rem; }

/* rules */
.rules { padding-left: 1.2rem; margin: 0 0 1.4rem; }
.rules li { margin-bottom: 0.55rem; }
.disclaimer {
  margin: 0;
  padding: 0.9rem 1.1rem;
  background: #FBF1DC;
  border: 1px solid var(--yellow);
  border-radius: 8px;
  font-size: 0.95rem;
}

/* FAQ */
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 1rem 2.6rem 1rem 1.1rem;
  font-weight: 600; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 1.1rem; top: 0.85rem; font: 600 1.2rem/1 var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 1.1rem 1rem; color: #3A4652; }

/* demo form */
.demo { background: #E5E8E2; }
.demo-inner { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .demo-inner { grid-template-columns: 0.8fr 1.2fr; align-items: start; } }
.contact-alt { font-size: 0.95rem; color: var(--muted); }

.demo-form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.field { margin-bottom: 0.95rem; }
.field-row { display: grid; gap: 0 14px; grid-template-columns: 1fr; }
@media (min-width: 520px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 0.3rem; }
.optional { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid #C9CFC8;
  border-radius: 7px;
  font: 400 1rem/1.4 var(--sans);
  background: #fff;
  color: var(--text);
}
.field textarea { resize: vertical; }
.field input[aria-invalid="true"] { border-color: var(--red); }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: 0.82rem; color: var(--muted); margin: 0.7rem 0 0; text-align: center; }
.form-status { margin: 0.8rem 0 0; font-weight: 600; text-align: center; }
.form-status.ok { color: var(--green); }
.form-status.err { color: var(--red); }

/* footer */
.site-footer { background: var(--ink); color: #AEB8C2; padding: 44px 0 28px; font-size: 0.92rem; }
.footer-inner { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .footer-inner { grid-template-columns: 1.3fr 1fr 1fr; } }
.site-footer p { margin: 0.6rem 0 0; }
.site-footer nav { display: flex; flex-direction: column; gap: 0.45rem; }
.site-footer nav a { color: #DCE2E8; text-decoration: none; }
.site-footer nav a:hover { color: #fff; }
.footer-disclaimer { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid #2A3644; font-size: 0.82rem; color: #8592A0; }

/* --- kalkulator 90/180 --- */
.site-nav a[aria-current="page"] { color: #fff; font-weight: 600; }

.calc-hero { padding: 48px 0 8px; }
.calc-hero h1 { font-size: clamp(1.8rem, 3.8vw, 2.6rem); max-width: 22em; }
.calc-hero .lead { margin-bottom: 0; }

.calc-section { padding: 28px 0 64px; }
.calc-grid { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 960px) {
  .calc-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 28px; }
  .calc-result { position: sticky; top: 84px; }
}

.calc-panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; margin-bottom: 16px; }
.calc-panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.calc-h { font-size: 1.15rem; margin-bottom: 0.4rem; }
.calc-h .optional { font-size: 0.85rem; }
.calc-hint { font-size: 0.9rem; color: var(--muted); margin: 0 0 1rem; }
.calc-privacy { font-size: 0.85rem; color: var(--muted); margin: 0; }

.link-btn { background: none; border: 0; padding: 0.3rem 0; font: 600 0.92rem/1.2 var(--sans); color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--accent-dark); }
.muted-btn { color: var(--muted); font-weight: 400; }

.stays { list-style: none; padding: 0; margin: 0 0 0.6rem; counter-reset: stay; }
.stay {
  display: grid; grid-template-columns: 1fr 1fr 40px; gap: 0 10px; align-items: end;
  padding: 0.7rem 0; border-bottom: 1px solid var(--line);
}
.stay:first-child { padding-top: 0; }
.stay .field { margin: 0; min-width: 0; }
.stay .field label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.stay input[type="date"] { min-height: 44px; }
.stay.has-err input { border-color: var(--red); }
.stay-del {
  width: 40px; height: 44px; border: 1px solid var(--line); border-radius: 7px;
  background: #fff; color: var(--muted); font: 400 1.4rem/1 var(--sans); cursor: pointer;
}
.stay-del:hover { color: var(--red); border-color: var(--red); }
.stay-err { grid-column: 1 / -1; margin: 0; color: var(--red); font-size: 0.86rem; }
.stay-err:not(:empty) { margin-top: 0.4rem; }

.calc-actions { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 0.8rem; }
.calc-panel .field-row .field { margin-bottom: 0; }
.calc-panel input[type="date"], .calc-panel input[type="number"] { min-height: 44px; }

.calc-empty { background: var(--card); border: 1px dashed #C9CFC8; border-radius: var(--radius); padding: 1.4rem; margin: 0; color: var(--muted); }

.result-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; margin-bottom: 16px; }
.result-date { margin: 0 0 0.8rem; font: 600 0.78rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.result-nums { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 1rem; }
.result-num { background: #F5F6F3; border-radius: 8px; padding: 0.8rem 1rem; }
.result-label { display: block; font-size: 0.82rem; color: var(--muted); }
.result-num strong { font: 700 2.1rem/1.15 var(--mono); }
.is-red { color: var(--red); }
.is-orange { color: var(--orange); }
.is-green { color: var(--green); }
.result-main { margin: 0 0 1rem; font-size: 1.05rem; }
.result-main b { font-family: var(--mono); white-space: nowrap; }
.result-main.is-alert { color: var(--urgent); background: #FBE9E5; border-radius: 8px; padding: 0.7rem 0.9rem; }
.result-main.is-ok { color: #1F5E3A; background: #E4F2E9; border-radius: 8px; padding: 0.7rem 0.9rem; }
.result-h { font-size: 1rem; margin-bottom: 0.7rem; }
.result-note { margin: 0.4rem 0 0; font-size: 0.93rem; }
.result-note.muted { color: var(--muted); font-size: 0.85rem; }

.strip { display: grid; grid-template-columns: repeat(30, 1fr); gap: 2px; }
.strip span { aspect-ratio: 1; background: #E3E6E0; border-radius: 2px; }
.strip span.on { background: var(--accent); }
.strip-legend { display: flex; justify-content: space-between; gap: 0.5rem; margin: 0.4rem 0 0; font: 400 0.75rem/1.3 var(--mono); color: var(--muted); }
.strip-key { color: var(--accent); }

.freeup { list-style: none; padding: 0; margin: 0; }
.freeup li { display: grid; grid-template-columns: 1fr auto auto; gap: 1rem; padding: 0.45rem 0; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 0.9rem; }
.freeup li:last-child { border-bottom: 0; }
.freeup-plus { color: var(--green); font-weight: 600; }
.freeup-total { color: var(--muted); }

.calc-cta .hero-actions { margin: 1.2rem 0 0; }

.prose h3 { margin-top: 1.8rem; }
.prose p { margin: 0 0 1rem; }
.prose .disclaimer { margin: 1.8rem 0 0; }
.sources { padding-left: 1.2rem; margin: 0; }
.sources li { margin-bottom: 0.4rem; }

@media (max-width: 480px) {
  /* Na uskom ekranu dugme za brisanje ide u red sa natpisima, da datumi
     dobiju celu širinu i ne budu odsečeni. */
  .stay { grid-template-columns: 1fr 1fr; gap: 0 8px; position: relative; }
  .stay-del { position: absolute; top: 0.4rem; right: 0; width: 36px; height: 28px; font-size: 1.2rem; border: 0; background: none; }
  .stay:first-child .stay-del { top: -0.3rem; }
  .stay input[type="date"] { padding-left: 0.5rem; padding-right: 0.4rem; }
  .result-num strong { font-size: 1.7rem; }
}